Datasheet > 1260W500R00KB

1260W500R00KB

更新时间： 2022-12-14 15:00:47

品牌	Logo	应用领域
威世 - VISHAY		电位器微调电位器
页数	文件大小	规格书
5页	113K
描述
Bulk Metal® Foil Technology Precision Trimming Potentiometers,3/8 Inch Square, RJ24 Style, Designed to Meet or Exceed the

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1260

Vishay Foil Resistors

Bulk Metal^®Foil Technology Precision Trimming Potentiometers,

3/8 Inch Square, RJ24 Style, Designed to Meet or Exceed the

Requirements of MIL-PRF-39035, Char. H

FEATURES

• Temperature coefficient of resistance (TCR):

10 ppm/°C (- 55 °C to + 150 °C ref. at + 25 °C);through

the wiper²⁾; 25 ppm/°C (see table 2 for low values)

• Load life stability: 0.1 % typical ΔR, 1.0 % maximum ΔR

under full rated power at + 85 °C for 10 000 h

• Settability: 0.05 % typical; 0.1 % maximum

• Setting stability: 0.1 % typical; 0.5 % maximum

• Power rating: 0.25 W at + 85 °C

• Resistance range: 5 Ω to 10 kΩ

• Resistance tolerance: 5 %, 10 %

• “O” ring prevents ingress of fluids during any board

cleaning operation

• Terminal finishes available: tin/lead

TABLE 1 - MODEL SELECTION^*

AVERAGE

WEIGHT (g)

POWER RATING

at + 85 °C AMBIENT

MODEL

TERMINATION STYLE

NO. OF TURNS

W-edge mount, top adjust

X-edge mount, side adjust

1260

0.4

0.25 W

Note:

* See figure 1

TABLE 2 - 1260 (RJ26) SERIES ELECTRICAL

SPECIFICATIONS

TABLE 3 - VALUES VS. TOLERANCES

STANDARD RESISTANCE VALUES

STANDARD

(in Ω)

TOLERANCE

Temperature Coefficient of

Resistance (TCR) 50 Ω to 10 kΩ

End-to-end¹⁾

10 ppm/°C maximum

(- 55 °C to + 150 °C,

+ 25 °C ref.)

5, 10

10 %

5 %

Temperature Coefficient of

Resistance 5, 10 and 20 Ω

20 ppm/°C

25 ppm/°C

20, 50, 100, 200, 500, 1K, 2K, 5K, 10K

Through the wiper²⁾

Stability

Load life at 10 000 h

0.1 % typical ΔR

1.0 % maximum ΔR

(under Full Rated Power

of 0.25 W at + 85 °C)

TABLE 4 - MECHANICAL SPECIFICATIONS

Power Rating³⁾

Settability

0.25 W at + 85 °C

Adjustment Turns

Mechanical Stops

Internal Terminations

Case Material

0.05 % typical;

0.1 % maximum

Wiper idles - no discontinuity

All welded - no flux

Setting Stability

0.1 % typical;

0.5 % maximum

Contact Resistance

Variation - CRV (noise)

3 Ω typical;

10 Ω maximum

Hop-off

0.25 % typical;

1.0 % maximum

Diallyl-phthalate: black (DAP)

3 oz. in. maximum

High-Frequency Operation

Rise/decay time

Inductance

Shaft Torque

1 ns without ringing

0.08 µH typical

0.5 pF typical

Capacitance

Backlash

0.005 % typical

Operating Temperature Range

- 55 °C to + 150 °C

Document Number: 63054

Revision: 29-Feb-08

For any questions, contact: foil@vishay.com

www.vishay.com

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